Short Answer TypeThe following number of goals were scored by a team in a series of 10 matches :
2, 3, 4, 5, 0, 1, 3, 3, 4, 3
Find the mean, median and mode of these scores.
n a Mathematics test given to 15 students, the following marks (out of 100) are recorded :
41, 39, 48, 52, 46, 62, 54, 40, 96,
52, 98, 40, 42, 52, 60
Find the mean, median and mode of this data.
The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x.
29, 32, 48, 50, x, x + 2, 72, 78, 84, 95
Find the mean salary of 60 workers of a factory from the following table :
|
Salary (in Rs.) |
Number of workers |
|
3000 |
16 |
|
4000 |
12 |
|
5000 |
10 |
|
6000 |
8 |
|
7000 |
6 |
|
8000 |
4 |
|
9000 |
3 |
|
10000 |
1 |
|
Total |
60 |
Give one example of a situation in which
(i) the mean is an appropriate measure of central tendency
(ii) the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency.
Find the value of p if mean of following distribution is 20.
|
X |
f |
|
15 |
2 |
|
17 |
3 |
|
19 |
4 |
|
20 + p |
5p |
|
23 |
6 |
Find the mean salary of 60 workers of a factory from the table:
|
Salary per worker (in र) |
No. of workers |
|
300 |
17 |
|
400 |
13 |
|
500 |
11 |
|
600 |
9 |
|
700 |
6 |
|
800 |
4 |
of first ten prime numbers and hence show that 
